Watch List notes:

ROMAN EMPIRE. Probus. 276-282 AD. Silvered Antoninianus (3.37 gm; 22 mm). Siscia mint. Bust helmeted, radiate, cuirassed left, holding spear and shield. Rx: VIRTVS - PR - OBI AVG Mars walking right holding spear and trophy over shoulder. RIC 816; RSC 894. Well struck on a nice full flan. Well centered. Choice FDC.